21881632

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9631}}^1$

素因数の和:9712

約数の個数: 24

約数和(自身を含む): 43690752

約数和(自身を除く): 21809120

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9631, 19262, 38524, 77048, 154096, 308192, 683801, 1367602, 2735204, 5470408, 10940816, 21881632]

約数ペア:

[(1, 21881632), (2, 10940816), (4, 5470408), (8, 2735204), (16, 1367602), (32, 683801), (71, 308192), (142, 154096), (284, 77048), (568, 38524), (1136, 19262), (2272, 9631)]